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Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) Sample Questions:

1. Regarding the basic forwarding process of MPLS, which of the following description is wrong?

A) By default, the value of the label assigned to the penultimate hop node by the Egress1 node that supports PHP is 3.
B) When the IP packets into the MPLS domain, checks the destination IP address of the corresponding Tunnel ID if TunnelID is 0x0, and proceeds to MPLS forwarding process.
C) When the packet is forwarded in the MPLS domain, the top label of the MPLS packet is replaced by the label allocated by the next hop according to the label forwarding table.
D) When an IP packet enters the MPLS domain, the MPLS border device inserts a new label between the packet layer 2 header and the IP header.

2. The LAND attack is performed by the attacker sending a source address and a destination address to the destination host are the destination host, the same SYN packet on source port and the destination port. When the receiver waits for the final ACK packet from the sender, the connection is always in a semi-connected state, resulting in waste of limited TCP resources at the receiving end.

A) False
B) True

3. The Type 5 LSA in OSPF is used to pass external routes. Which of the following statement about the five Type 5 LSA is wrong?

A) The router in the same area as the ASBR can calculate the external route through the intra-area LSA and the Type 5 LSA.
B) The FA address is included in the Type 5 LSA, and the FA address is 0.0.0.0, but has no practical effect as a reservation.
C) The Type 5 LSA is advertised by the ASBR and flooded in the OSPF network in the non-Stub/NSSA area.
D) Configure the corresponding policies on the ABR and ASBR to filter the Type 5 LSA.

4. A total of 6 bits indicating the priority field in the VLAN (802.1Q) data encapsulation

A) False
B) True

5. Which of the following does not belong to EVPN Type 2 routing functions?

A) Host ARP notification
B) Host IP route notification
C) Host MAC address notification
D) BUM message forwarding

Solutions: